Connect your phone to the PC while holding the (or designated boot) button.
Essential for using tools like SPD Upgrade Tool to install or repair system software. Sprd U2s Diag Driver For Windows 10 64 Bit
The Spreadtrum U2S Diag driver is part of a software package designed for smartphones and feature phones. Unlike standard MTP or ADB drivers, the Diag driver opens a specific COM port (typically labeled as SPRD U2S Diag ) used for advanced operations: Connect your phone to the PC while holding
If you attempt to install the driver normally and receive an "INF does not contain digital signature" error, follow these steps: Click > Settings > Update & Security > Recovery . Under Advanced startup , click Restart now . Unlike standard MTP or ADB drivers, the Diag
Once the menu appears, press or F7 to "Disable driver signature enforcement". 2. Install the Driver Manually